The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?
In the following figure, rectangle represents Doctors, circle represents Essayists, triangle represents cooks and square represents Europeans. Which set of letters represents Essayists who are not cooks?
If price of an article decreases from Rs P1 to Rs 190, when quantity demanded increases from 5000 units to 5200 units, and if point elasticity of demand is -0.8 find P1?